Duff-NortonContinuousDutyCycleactuatorsarespecificallydesignedforcontinuousoperation.Thegearsetoperatesinanoilbathforthermalefficiencyandlonglife.Theshellismadeofafinnedaluminumforbettercoolingproperties.Additionally,theDuff-Nortonballscrewsystemincreasesthesemodelsefficiency.Continuousoperation(atratedcapacitiesonly)IncreasedpredictablelifeHighmechanicalandthermalefficiencyOillubricated)